The Story
Plant Bio
Artemisia 'Powis Castle' is a bushy, aromatic perennial with finely dissected foliage.
Notable for its silver-gray foliage and ability to tolerate drought.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
30 inches
Width
36 inches
Light
Full Sun, Partial Sun
Zones
6, 7, 8, 9
Water
Low
Humidity
Low
Lifespan
Perennial
Native To
Garden origin
Toxicity
Non-toxic
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds or cuttings into well-draining soil in early spring.
- Water regularly but avoid overwatering to prevent root rot.
- Mist cuttings to maintain humidity during propagation; keep soil moist.
- Gradually expose young plants to outdoor conditions over 2 weeks.
- Apply a balanced fertilizer in early spring for optimal growth.
- Prune after flowering to maintain shape and promote bushiness.
Pro Tip
Ensure excellent drainage to prevent root rot and promote healthy growth.
Keep It Thriving
Care Guide
Do
- Water deeply during dry spells 🌱
- Prune to shape and remove dead growth
- Use well-draining soil for planting
- Fertilize in early spring for best blooms
- Provide full sun for vigorous growth
Don't
- Avoid overwatering to prevent root rot ❌
- Don't prune in late fall or winter
- Refrain from using heavy, clay soils without amendment
- Never leave plants in deep shade
- Avoid excessive fertilization which can cause legginess
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Prune | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Powis Castle wormwood questions
What zones can Powis Castle wormwood grow in?
Powis Castle wormwood is hardy in USDA Zones 6–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Powis Castle wormwood deer resistant?
Yes — Powis Castle wormwood is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Powis Castle wormwood bloom?
Powis Castle wormwood typically blooms in late summer to fall through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Powis Castle wormwood need full sun?
Powis Castle wormwood does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Powis Castle wormwood drought tolerant?
Yes — once established (usually after the first full season), Powis Castle wormwood handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Artemisia to compare
Artemisia Silver Lining
Artemisia x hybrida 'Silver Lining'
Beach Wormwood
Artemisia stelleriana 'Silver Brocade'
Silver Mound Wormwood
Artemisia schmidtiana 'Silver Mound'
Silver King Artemisia
Artemisia ludoviciana 'Silver King'
Silver Mound Artemisia
Artemisia schmidtiana 'Nana'
Versicolor Wormwood
Artemisia versicolor
Keep exploring
Explore the genus
Hardy in your zone?
Grow Powis Castle wormwood with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.